package thread;

public class ThreadDemo1 {
    public static void main(String[] args) {
        Thread t1 = new MyThread1();
        Thread t2 = new MyThread2();

        t1.start();
        t2.start();
    }
}

class MyThread1 extends Thread{
    public void run() {
       for(int i=0;i<1000;i++) {
           System.out.println("你谁啊");
       }
    }
}

class MyThread2 extends Thread{
    public void run() {
        for(int i=0;i<1000;i++) {
            System.out.println("开门交房租");
        }
    }
}